[    2.260610] ip (256) used greatest stack depth: 12880 bytes left
[    2.301739] ip (259) used greatest stack depth: 12320 bytes left
[    2.918810] ip (296) used greatest stack depth: 12272 bytes left
[   67.119353] netem: version 1.3
[  136.899364] ip (3624) used greatest stack depth: 12016 bytes left
[  632.947801] tc (15593) used greatest stack depth: 11896 bytes left
[  696.526521] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left